KR20190141697A - 회전 샤프트들 및 커플링들의 매개변수들을 측정하기 위한 방법들 및 시스템들 - Google Patents
회전 샤프트들 및 커플링들의 매개변수들을 측정하기 위한 방법들 및 시스템들 Download PDFInfo
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- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
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- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
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- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
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- G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
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- G—PHYSICS
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- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
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- G01L3/106—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving electrostatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
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Abstract
Description
[0007] 도 2는 센서들로부터 센서 신호들을 수신하도록 구성되는 제어기의 블록도이다.
[0008] 도 3은 센서들 중 하나로부터 예시적인 파형의 그래프를 도시한다.
[0009] 도 4는 비스듬한 타겟들(slanted targets)을 갖는 예시적인 타겟 휠을 도시한다.
[0010] 도 5a 및 도 5b는 비스듬한 타겟들을 가지는 타겟 휠을 위한 예시적인 축방향 타겟 패턴을 도시한다.
[0011] 도 6a 및 도 6b는 비스듬한 타겟들을 가지는 타겟 휠을 위한 상이한 예시적인 축방향 타겟 패턴을 도시한다.
[0012] 도 7은 본 명세서에서 설명되는 시스템들 및 방법들을 사용하여 결정될 수 있는 다양한 유형들의 샤프트 또는 커플링 정렬들을 예시한다.
[0013] 도 8a 및 도 8b는 예시적인 타겟 평면을 참조하는 변수들을 예시한다.
[0014] 도 8c는 2개의 센서들 사이의 위상차를 예시하는 예시적인 센서 파형들을 도시한다.
[0015] 도 8d 내지 도 8h는 트위스트 각도를 결정하기 위한 타겟 타이밍 측정들의 사용을 도시한다.
[0016] 도 9a 내지 도 9d는 샤프트 상에 2개의 타겟 휠들을 가지는 예시적인 샤프트를 예시한다.
Claims (21)
- 길이 방향으로 연장되는 샤프트(shaft);
상기 샤프트와 회전하도록 구성되는 타겟 휠(target wheel) ─ 상기 타겟 휠은 상기 타겟 휠 주위에 원주 방향으로 분포되는 복수의 센서 타겟들을 포함하며, 그리고 상기 복수의 센서 타겟들은 상기 길이 방향으로 비스듬한 제1 복수의 타겟들 및 상기 길이 방향에 대해 평행한 제2 복수의 타겟들을 포함함 ─ ;
상기 샤프트 주위에 반경 방향으로 장착되고, 그리고 상기 타겟 휠이 상기 샤프트와 회전함에 따라 상기 복수의 센서 타겟들을 검출하도록 구성되는 적어도 3개의 센서들을 포함하는 센서 어레이(sensor array); 및
상기 적어도 3개의 센서들로부터 센서 신호들을 수신하고 그리고, 상기 센서 신호들에 기초하여, 적어도 상기 길이 방향으로의 상기 샤프트의 축방향 변위 측정 및 상기 샤프트의 반경 방향 변위 측정을 결정하도록 구성되는 제어기(controller)를 포함하는,
측정 시스템. - 제1 항에 있어서,
상기 제어기는, 상기 제1 복수의 타겟들을 검출하는 것과 상기 제2 복수의 타겟들을 검출하는 것 사이의 상대적인 타이밍 차이(relative timing difference)에 기초하여 상기 샤프트의 축방향 변위 측정을 결정하도록 구성되는,
측정 시스템. - 제1 항에 있어서,
상기 제2 복수의 타겟들은, 적어도 제2 비스듬한 타겟(slanted target)에 대해 길이 방향으로 반대 배향으로 비스듬한 적어도 제1 비스듬한 타겟을 포함하는,
측정 시스템. - 제1 항에 있어서,
상기 제1 복수의 타겟들 및 상기 제2 복수의 타겟들은 교번 방식으로 상기 타겟 휠 주위에 반경 방향으로 배치되는,
측정 시스템. - 제1 항에 있어서,
상기 샤프트와 회전하도록 구성되는 제2 타겟 휠을 더 포함하며, 상기 타겟 휠은 상기 타겟 휠 주위에 원주 방향으로 분포되는 복수의 센서 타겟들, 및 상기 샤프트 주위에 반경 방향으로 장착되고 그리고 상기 제2 타겟 휠이 상기 샤프트와 회전함에 따라 상기 복수의 센서 타겟들을 검출하도록 구성되는 적어도 3개의 센서들을 포함하는 제2 센서 어레이를 포함하는,
측정 시스템. - 제5 항에 있어서,
상기 제어기는, 상기 타겟 휠 상의 센서 타겟들을 검출하는 것과 상기 제2 타겟 휠을 검출하는 것 사이의 평균 타이밍 차이(mean timing difference)를 사용하여 상기 샤프트의 비틀림 측정(twist measurement)을 결정하도록 구성되는,
측정 시스템. - 제5 항에 있어서,
상기 제어기는, 축방향 변형률, 축방향 변위, 평행 오정렬, 각도 오정렬, 런-아웃(run-out), 및 비틀림 중 하나 이상 또는 모두를 결정하도록 구성되는,
측정 시스템. - 제5 항에 있어서,
상기 제어기는, 필수 안전 피드백(safety critical feedback) 또는 하나 이상의 구조 안전성 인디케이터들(structural health indicators)을 신호 인터페이스(signal interface)로 송신하도록 구성되는,
측정 시스템. - 제8 항에 있어서,
상기 타겟 휠 및 상기 센서 어레이는 상기 샤프트에 커플링되는 회전 커플링의 제1 단부에 위치되며, 그리고 상기 제2 타겟 휠 및 상기 제2 센서 어레이는 상기 길이 방향으로 상기 제1 단부의 반대편에 있는, 상이한 샤프트에 커플링되는, 상기 회전 커플링의 제2 단부에 위치되며, 그리고 상기 제어기는 상기 센서 어레이로부터의 센서 신호들 및 상기 제2 센서 어레이로부터의 제2 센서 신호들에 기초하여 상기 회전 커플링의 하나 이상의 구조 안전성 인디케이터들을 결정하도록 구성되는,
측정 시스템. - 제1 항에 있어서,
상기 복수의 센서 타겟들의 각각의 센서 타겟은, 전도성 타겟, 광학 타겟, 및 철을 함유한(ferrous) 타겟 중 하나 이상을 포함하는,
측정 시스템. - 제1 항에 있어서,
상기 복수의 센서 타겟들은 상기 타겟 휠 주위에 원주 방향으로 균일하게 이격되는,
측정 시스템. - 제1 항에 있어서,
상기 적어도 3개의 센서들의 각각의 센서는 가변 자기저항 센서(variable reluctance sensor)를 포함하는,
측정 시스템. - 제1 항에 있어서,
상기 적어도 3개의 센서들의 각각의 센서는 비접촉식 능동 유도 근접 센서(non-contact active inductive proximity sensor) 또는 비접촉식 용량 근접 센서(non-contact capacitive proximity sensor)를 포함하는,
측정 시스템. - 제1 항에 있어서,
상기 적어도 3개의 센서들의 각각의 센서는 광학 센서를 포함하는,
측정 시스템. - 측정 시스템의 제어기에 의해 수행되는 방법으로서,
상기 방법은, 센서 어레이 상의 샤프트 주위에 반경 방향으로 장착되는 적어도 3개의 센서들 각각으로부터 센서 신호들을 수신하는 단계 ─ 상기 샤프트는 길이 방향으로 연장되며, 그리고 상기 센서 어레이는, 상기 타겟 휠이 상기 샤프트와 회전함에 따라 타겟 휠 주위에 원주 방향으로 분포되는 복수의 센서 타겟들을 검출하기 위해 상기 적어도 3개의 센서들을 위치결정하도록 구성되고, 상기 복수의 센서 타겟들은 상기 길이 방향으로 비스듬한 제1 복수의 타겟들 및 상기 길이 방향에 대해 평행한 제2 복수의 타겟들을 포함함 ─ ; 및
상기 센서 신호들에 기초하여, 적어도 상기 길이 방향으로의 상기 샤프트의 축방향 변위 측정 및 상기 샤프트의 반경 방향 변위 측정을 결정하는 단계를 포함하는,
측정 시스템의 제어기에 의해 수행되는 방법. - 제15 항에 있어서,
상기 길이 방향으로의 상기 샤프트의 축방향 변위 측정을 결정하는 단계는, 상기 제1 복수의 타겟들을 검출하는 것과 상기 제2 복수의 타겟들을 검출하는 것 사이의 상대적인 타이밍 차이에 기초하여 상기 샤프트의 축방향 변위 측정을 결정하는 것을 포함하는,
측정 시스템의 제어기에 의해 수행되는 방법. - 제16 항에 있어서,
상기 제1 복수의 타겟들은 상기 길이 방향으로 경사 각도로 비스듬하며, 상기 방법은 상기 타겟 휠 상의 타겟들의 총 수, 상기 복수의 타겟들의 반경, 및 상기 경사 각도를 사용하여 상기 상대적인 타이밍 거리를 결정하는 것을 포함하는,
측정 시스템의 제어기에 의해 수행되는 방법. - 제15 항에 있어서,
이동 평균 필터(moving average filter)를 상기 센서 신호들에 적용함으로써 비틀림 측정 및 상기 축방향 변위 측정을 결정하는 단계를 포함하는,
측정 시스템의 제어기에 의해 수행되는 방법. - 제15 항에 있어서,
상기 센서 타겟들을 검출하는 것 사이의 평균 타이밍 거리를 사용하여 상기 샤프트의 비틀림 측정을 결정하는 단계를 포함하는,
측정 시스템의 제어기에 의해 수행되는 방법. - 제15 항에 있어서,
축방향 변형률, 축방향 변위, 평행 오정렬, 각도 오정렬, 런-아웃, 및 비틀림 중 하나 이상 또는 모두를 결정하는 단계를 포함하는,
측정 시스템의 제어기에 의해 수행되는 방법. - 제15 항에 있어서,
필수 안전 피드백 또는 하나 이상의 구조 안전성 인디케이터들을 신호 인터페이스로 송신하는 단계를 포함하는,
측정 시스템의 제어기에 의해 수행되는 방법.
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| US62/486,170 | 2017-04-17 | ||
| PCT/US2018/027933 WO2018195053A1 (en) | 2017-04-17 | 2018-04-17 | Methods and systems for measuring parameters of rotating shafts and couplings |
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| EP (1) | EP3612801B1 (ko) |
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| US11248897B2 (en) * | 2019-02-20 | 2022-02-15 | Goodrich Corporation | Method of measuring misalignment of a rotating flexible shaft assembly |
| WO2021016560A1 (en) * | 2019-07-24 | 2021-01-28 | Lord Corporation | Single plane powertrain sensing using variable reluctance sensors |
| WO2021120044A1 (zh) * | 2019-12-18 | 2021-06-24 | 深圳市大疆创新科技有限公司 | 同轴度检测方法、装置、系统及转动结构 |
| GB2597262B (en) * | 2020-07-16 | 2025-03-26 | Crane John Uk Ltd | Monitoring misalignment of coupled rotary members |
| CN114923469A (zh) * | 2022-05-12 | 2022-08-19 | 陈首似 | 防护系统、防护方法及测绘仪支架 |
| US12060800B2 (en) | 2022-07-08 | 2024-08-13 | Pratt & Whitney Canada Corp. | System and method for determining rotor whirl displacement |
| CN115183701B (zh) * | 2022-08-04 | 2024-06-14 | 北京哈曼电子有限公司 | 一种煤气柜中活塞扭转量的测量方法 |
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| US11378473B2 (en) | 2022-07-05 |
| WO2018195053A1 (en) | 2018-10-25 |
| EP3612801A1 (en) | 2020-02-26 |
| US20200378849A1 (en) | 2020-12-03 |
| KR102330201B1 (ko) | 2021-11-22 |
| EP3612801B1 (en) | 2020-12-30 |
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